Claude Opus 4.8 vs Kimi K2 Thinking Turbo
As of Oct 14, 2026, Claude Opus 4.8 leads Kimi K2 Thinking Turbo in 6 of 6 shared categories: General LLM, Reasoning, Science, Coding › Web dev, Long context, and Factuality.
Claude Opus 4.8
It used to be. Was SOTA in Coding › Web dev.
Kimi K2 Thinking Turbo
It used to be. Was SOTA in Coding › Web dev.
| Category | Claude Opus 4.8 | Kimi K2 Thinking Turbo |
|---|---|---|
| General LLM | #20 · #20 in General LLM Margin 13.605442176870753 LMArena leaderboard dataset · Oct 13, 2026 | #81 · #81 in General LLM Margin 55.10204081632653 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #10 · #10 in Reasoning Margin 7.534246575342465 LMArena leaderboard dataset · Oct 13, 2026 | #77 · #77 in Reasoning Margin 53.42465753424658 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #27 · #27 in Science Margin — Epoch AI benchmarking hub · May 28, 2026 | #60 · #60 in Science Margin — Epoch AI benchmarking hub · Nov 6, 2025 |
| Coding | #12 · #12 in Coding Margin 59.09090909090909 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Agentic | #12 · #12 in Coding › Agentic Margin 59.09090909090909 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Web dev | #33 · Was SOTA · Coding › Web dev Margin 29.90654205607477 LMArena leaderboard dataset · Oct 13, 2026 | #94 · #94 in Coding › Web dev Margin 86.91588785046729 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #10 · Was SOTA · Long context Margin 6.802721088435391 LMArena leaderboard dataset · Oct 13, 2026 | #87 · #87 in Long context Margin 59.183673469387756 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #13 · #13 in Vision Margin 36.842105263157904 Epoch AI benchmarking hub · May 28, 2026 | — |
| Factuality | #21 · #21 in Factuality Margin 16.417910447761187 LMArena leaderboard dataset · Oct 13, 2026 | #90 · #90 in Factuality Margin 67.91044776119404 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #12 · #12 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · May 28, 2026 | — |
Claude Opus 4.8: $10 per 1M blended tokens.
Kimi K2 Thinking Turbo: price per 1M tokens is unset in the catalog.
Claude Opus 4.8: closed weights.
Kimi K2 Thinking Turbo: open weights.
General LLM: As of Oct 14, 2026, Claude Opus 4.8 leads Kimi K2 Thinking Turbo in General LLM at #20 against #81.
Reasoning: As of Oct 14, 2026, Claude Opus 4.8 leads Kimi K2 Thinking Turbo in Reasoning at #10 against #77.
Science: As of Oct 14, 2026, Claude Opus 4.8 leads Kimi K2 Thinking Turbo in Science at #27 against #60.
Coding › Web dev: As of Oct 14, 2026, Claude Opus 4.8 leads Kimi K2 Thinking Turbo in Coding › Web dev at #33 against #94.
Long context: As of Oct 14, 2026, Claude Opus 4.8 leads Kimi K2 Thinking Turbo in Long context at #10 against #87.
Factuality: As of Oct 14, 2026, Claude Opus 4.8 leads Kimi K2 Thinking Turbo in Factuality at #21 against #90.
Claude Opus 4.8 · Kimi K2 Thinking Turbo
Claude Opus 4.8 or Kimi K2 Thinking Turbo?
As of Oct 14, 2026, Claude Opus 4.8 leads Kimi K2 Thinking Turbo in 6 of 6 shared categories: General LLM, Reasoning, Science, Coding › Web dev, Long context, and Factuality.
Claude Opus 4.8 or Kimi K2 Thinking Turbo for General LLM?
As of Oct 14, 2026, Claude Opus 4.8 leads Kimi K2 Thinking Turbo in General LLM at #20 against #81.
Claude Opus 4.8 or Kimi K2 Thinking Turbo for Reasoning?
As of Oct 14, 2026, Claude Opus 4.8 leads Kimi K2 Thinking Turbo in Reasoning at #10 against #77.
Claude Opus 4.8 or Kimi K2 Thinking Turbo for Science?
As of Oct 14, 2026, Claude Opus 4.8 leads Kimi K2 Thinking Turbo in Science at #27 against #60.